package io;

import java.io.*;

public class CopyDemo1 {
    public static void main(String[] args) throws IOException {
        FileInputStream fis = new FileInputStream("image.jpg");
        BufferedInputStream bis = new BufferedInputStream(fis);

        FileOutputStream fos = new FileOutputStream("image6.jpg");
        BufferedOutputStream bos = new BufferedOutputStream(fos);

        long start = System.currentTimeMillis();
        int d;
        while ((d = bis.read()) != -1){
            bos.write(d);
        }
        long end = System.currentTimeMillis();
        System.out.println("复制耗时："+(end-start));
        bis.close();
        bos.close();


    }
}
